Pith Number

pith:O5YBUSB7

pith:2016:O5YBUSB7RRKT55LCPEABHKTU3H

not attested not anchored not stored refs pending

Multi-type Sequent Calculi

Alessandra Palmigiano, Alexander Kurz, Giuseppe Greco, Sabine Frittella, Vlasta Sikimic

arxiv:1609.05343 v1 · 2016-09-17 · math.LO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O5YBUSB7RRKT55LCPEABHKTU3H}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T01:04:26.695252Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77701a483f8c553ef562790013aa74d9e6a43a114ed23eab1cd8f150c6bf6bcc

Aliases

arxiv: 1609.05343 · arxiv_version: 1609.05343v1 · doi: 10.48550/arxiv.1609.05343 · pith_short_12: O5YBUSB7RRKT · pith_short_16: O5YBUSB7RRKT55LC · pith_short_8: O5YBUSB7

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/O5YBUSB7RRKT55LCPEABHKTU3H \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 77701a483f8c553ef562790013aa74d9e6a43a114ed23eab1cd8f150c6bf6bcc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7a4db5aac60eb25c24837486e3021a0bd8b5a81157e606ce96e776250316d73",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2016-09-17T14:42:15Z",
    "title_canon_sha256": "e39d1e3e8a4f5124fb03a544655f177ea5bbf02ec4bcb218210ffa8f268044de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.05343",
    "kind": "arxiv",
    "version": 1
  }
}